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Battery indication for MQTT sensors (lemmy.world)

submitted 7 months ago by peregus@lemmy.world to c/homeassistant@lemmy.world

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I have some sensors like this one:


  - name: "Sala"
    unique_id: "temp_sala"
    state_topic: "zigbee2mqtt/temp_sala"
    value_template: "{{ value_json.temperature }}"
    unit_of_measurement: "°C"

Those sensors publish the battery status too, how can I add it? Thanks!

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[–] klangcola@reddthat.com 1 points 7 months ago

One way is to make a new "entity", that's not actually linked to your previous temperature sensor. I'm not familiar with how to tie them together in a "device" like how ZigBee2mqtt auto discovery does.

So just add a new "sensor"/"entity"

  - name: "Sala_battery"
    unique_id: "temp_sala_battery"
    state_topic: "zigbee2mqtt/temp_sala"
    value_template: "{{ value_json.battery }}"
    unit_of_measurement: "%"

Use MQTT Explorer to listen to your ZigBee2mqtt broker topic "zigbee2mqtt/temp_sala" to get the exact field name (battery, battery_state or some such)